Carrier-screen.



W. E. LOBDELL.

CARRIER SCREEN.

APPLICATION FILED MAR. 29, 1913.

Patented Dec. 16, 1913.

COLUMBIA PLANOGRAPH conwasflma'roN. D. c.

material being deflected clear ofthe carrier.

WALTER E; LOEBDELL,-OF MUKWONAGO, WISCONSIN;-

canines-scenes.

Application filed March 29;

To all whom it may concern:

Be it known that I, WALTER E. Loeonmi, a citizen of tliellnited States, and resident of Mukwonago, in the county of Vaukesha and State oflVisconsin have invented cer-' tain new and useful Improvements in CarrierScreens; and I do hereby declare that the folloiving is a full, clear, and exact description thereof.

My invention has for itsobject to provide a simple, economical and effective screen attacln'ne'nt for traveling carriers, whereby Ungraded material loaded therein is, incide'ntal to such loading, graded, the coarser My invention is particularly applicable to road work wherein gravel is loaded directly from a pit to'wagons operating in gangs for conveying the gravel from the pit to the desired points along the road. In such 1nstances it is apparent that the gravel is screened at the pit, the coarser material being discharged from the wagon, whereby a uniform grade'is dumped upon the road for consumption, thus eliminating also the extra work of removing large boulders or rocks from the bed of the road after the gravel has been leveled.

With the above object in view the invention consists in certain peculiarities of construction and combination of parts as hereinafter set forth with reference to the accompanying drawings and subsequently claimed.

Tn the drawings Figure 1 represents a sectional end elevation of a wagon provided with a detachable screen embodying the features of my invention; Fig. 2, an enlarged detailed sectional view of the screen with parts broken away, the section being lndicated by line 22 of Fig. 3; Fig. 3, a face view of the screen, the same being broken away, and contracted for convenience in illustration, and Fig. 4, a detailed crosssection. the section being indicated by line 4-4 of Fig. 2.

Referring by characters to the drawings, 1. 1', represent upper and lower horizontally disposed tube members respectively, and 2, 2, vertically disposed tube members, the two sets of tube members being connected at their ends by upper and lower sets of elbows 3, 3, respectively, to form a rectangular frame. The said frame serves as a support for a screen of any predeter- Specification of Letters Patent.

mined mesh, which screen in this instance is Paten-tedDec.16, 1913.

1913. Serial No. 757,556;

preferably formed from vertical and horizontal interwoven rods 5, 5', respectively. The ends of each rod of the two series, as shown, are connected to heads 6, the same being provided with collar portions that are in s'lidable union with the tubular members ofthe'frame, from each of which collar portions of the head there is extended an apertur'ed ear for the reception of a rod end, it being understood that one end of each rod is headed for abutting engagement with ahead ear, while the opposite end of the rod is threaded for the reception of a nut that engages an opposite alined head ear through which said rod end protrudes, whereby the rods are all drawn taut. By this arrangement the rods 5 and 5 can readily be replaced and the mesh of the screen can also be varied by simply adding or subtracting the rod elements and when said? elements are adjusted asdesired they are held. by suitable set screws 6, the same The lower cortured ears for hinge connection with feet 7 having toes that are adapted to overlap one of the side boards A of a wagon body, which body in this instance constitutes the carrier. One set of the adjustable heads 6 are also provided with apertured leg-attaching ears 8, which leg ears are rearwardly extended from the collar portion of said heads and have hinged thereto tubular supporting legs 9, whereby the screen is held at an angle, the degree of which may be predeterminedly regulated. The lower ends of the legs 9 have hinged thereto feet 7' the same being similar in construction to the feet previously described. The toes of the feet 7 are adapted to engage the side-board A. of the wagonbody opposite that side board engaged by the frame-connected feet 7 Hence, as shown in Fig. 1, the screen can be quickly adjusted to a wagon by fitting the feet to the side-boards thereof, whereby said screen will present an oblique deflecting face toward the loader, the forward lower edge of the screen being approximately flush wit-h or slightly extended over the edge of the body-board to insure the coarser material being discharged clear of said vehicle. The leg feet 7 are similarly adjusted to the opposite body-board and thereafter each foot is secured by a clampingscrew 10, with which one of the toes of each foot is provided.

From the foregoing description it is apparent that in loading gravel, for example, from. a. pit, one screen is sufficient to operate in conjunction with a gang of wagons, the said screen being attached to an empty wagon, and after the same is loaded, detached for adjustment to a succeeding empty wagon, it being understood that the loader, in throwing material into the body of a wagon, will, without any extra exertion, screen the material, while the coarser screenings and rocks will be deflected back into the pit. By this method a. great sav ing is effected in labor and handling of such materials over the ordinary method aside from the fact that only such material is 'carted froni the pit that is to be used.

Hence the work of sorting or raking the large rocks from the gravel after it has been leveled upon the road-bed is also eliminated.

I claim:

1. A screen comprising a pair of vertical tube members and a pair of horizontally disposed tube members, upper and lower corner elbows connecting the tube members to form a rigid frame, ears extending from the lower set of elbows, clamping feet hingedly secured to the ears, a series of heads carried by each tube member having lugs extending therefrom and in the same direction, corresponding series of vertical and horizontally disposed interwoven rods connecting the head lugs to form a screen, a leg in hinge connection with one of the series of heads carried by the vertical tube members, and clamp-carrying feet hingedly secured to the free ends of the legs.

2. A screen comprising a pair of vertical and a pair of horizontally disposed tube members, upper and lower corner elbows connecting the tube members to form a rigid frame, ears extending from the lower set of elbows, clamping feet hingedly secured to the ears, a series of heads carried by eachtube member having apertured lugs extending therefrom and in the same direction, a corresponding series of vertical and horizontally disposed interwoven rods having ends fitting into the lug apertures of the heads to form a screen, and retaining bolts for the series of rod ends.

In testimony that I claim the foregoing I have hereunto set my hand at Mukwonago in the county of Waukesha and State of Visconsin in the presence of two witnesses.

VALTER E. LOBDELL.

Witnesses:

F. A. 001), H. M. LoBDELL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

